Pipe obstacle for water sports



FIG. 1 is a side view, the opposite side being a mirror image;

FIG. 2 is a rear side perspective view;

FIG. 3 is a bottom view;

FIG. 4 is a front end view; and,

FIG. 5 is a rear end view.

The broken lines are boundaries that form no part of the claimed design. The pipe is shown broken away to show indeterminate length and for ease of illustration. 

CLAIM The ornamental design for a pipe obstacle for water sports, as shown and described. 